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    <title>学生</title>
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    <link rel="stylesheet" href="./css/student.css" />
  </head>
  <body class="application application-offset">
    <div class="container-fluid container-application">
      <div class="sidenav show" id="sidenav-main">
        <!-- Sidenav header -->
        <div class="sidenav-header d-flex align-items-center">
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            <span class="logo">·ITCAST·</span>
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        <!-- User mini profile -->
        <div
          class="sidenav-user d-flex flex-column align-items-center justify-content-between text-center"
        >
          <!-- Avatar -->
          <div>
            <a href="#" class="avatar rounded-circle avatar-xl">
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                class=""
              />
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            <div class="mt-5">
              <h5 class="mb-0 text-white">黑马前端</h5>
              <span class="d-block text-sm text-white opacity-8 mb-3"
                >数据可视化</span
              >
              <a
                href="javascript:;"
                class="btn btn-sm btn-white btn-icon rounded-pill shadow hover-translate-y-n3"
              >
                <span class="btn-inner--text">学前端来黑马</span>
              </a>
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        <!-- Application nav -->
        <div class="nav-application clearfix">
          <a href="./index.html" class="btn btn-square text-sm">
            <span class="btn-inner--icon d-block"
              ><i class="bi bi-house bi-2x"></i
            ></span>
            <span class="btn-inner--icon d-block pt-2">首页</span>
          </a>
          <a href="./student.html" class="btn btn-square text-sm active">
            <span class="btn-inner--icon d-block"
              ><i class="bi bi-people bi-2x"></i
            ></span>
            <span class="btn-inner--icon d-block pt-2">学生</span>
          </a>
          <a href="javascript:;" class="btn btn-square text-sm">
            <span class="btn-inner--icon d-block"
              ><i class="bi bi-columns bi-2x"></i
            ></span>
            <span class="btn-inner--icon d-block pt-2">排版</span>
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            <span class="btn-inner--icon d-block"
              ><i class="bi bi-files bi-2x"></i
            ></span>
            <span class="btn-inner--icon d-block pt-2">资料</span>
          </a>
          <a href="javascript:;" class="btn btn-square text-sm">
            <span class="btn-inner--icon d-block"
              ><i class="bi bi-receipt bi-2x"></i
            ></span>
            <span class="btn-inner--icon d-block pt-2">就业</span>
          </a>
          <a href="javascript:;" class="btn btn-square text-sm">
            <span class="btn-inner--icon d-block"
              ><i class="bi bi-gear bi-2x"></i
            ></span>
            <span class="btn-inner--icon d-block pt-2">设置</span>
          </a>
        </div>
        <!-- Misc area -->
        <div class="card bg-gradient-warning">
          <div class="card-body">
            <h5 class="text-white">哈喽, 朋友!</h5>
            <p class="text-white mb-4">
              为什么不现在开始学习前端，创造一些令人惊叹的东西呢？
            </p>
            <a
              href="http://itcast.cn"
              class="btn btn-sm btn-block btn-white rounded-pill"
              target="_blank"
              >Get started</a
            >
          </div>
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      </div>
      <div class="main-content position-relative">
        <nav
          class="navbar navbar-main navbar-expand-lg navbar-dark navbar-border"
          id="navbar-main"
        >
          <div class="container-fluid">
            <!-- Navbar nav -->
            <div
              class="collapse navbar-collapse navbar-collapse-fade"
              id="navbar-main-collapse"
            >
              <ul class="navbar-nav align-items-lg-center">
                <!-- Home  -->
                <li class="nav-item">
                  <a class="nav-link pl-lg-0" href="./index.html"> 首页 </a>
                </li>
                <li class="nav-item">
                  <a class="nav-link pl-lg-0" href="./index.html"> 传智教育 </a>
                </li>
                <li class="nav-item">
                  <a class="nav-link pl-lg-0" href="./index.html">
                    黑马程序员
                  </a>
                </li>
                <li class="nav-item">
                  <a class="nav-link pl-lg-0" href="./index.html"> 文档 </a>
                </li>
              </ul>
              <!-- Right menu -->
              <ul
                class="navbar-nav ml-lg-auto align-items-center d-none d-lg-flex"
              >
                <li class="nav-item dropdown dropdown-animate">
                  <a
                    class="nav-link pr-lg-0"
                    href=".dropdown-menu"
                    role="button"
                    data-toggle="dropdown"
                    aria-haspopup="true"
                    aria-expanded="false"
                  >
                    <div class="media media-pill align-items-center">
                      <span class="avatar rounded-circle">
                        <img
                          alt="Image placeholder"
                          src="https://yanxuan-item.nosdn.127.net/8b27deb1670c53e67c42ca3e1ed6fd12.jpg"
                        />
                      </span>
                      <div class="ml-2 d-none d-lg-block">
                        <span class="mb-0 text-sm font-weight-bold">Admin</span>
                      </div>
                    </div>
                  </a>
                </li>
                <li class="nav-item">
                  <a class="nav-link pl-lg-0" id="logout" href="javascript:;">
                    退出
                  </a>
                </li>
              </ul>
            </div>
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        </nav>
        <div class="page-content">
          <div class="page-title mb-3">
            <div class="row justify-content-between align-items-center">
              <div class="col-md-6 mb-3 mb-md-0">
                <h5 class="h3 font-weight-400 mb-0 text-white">Students</h5>
                <span class="text-sm text-white opacity-8"
                  >一共有 <b class="total">0</b> 位学员</span
                >
              </div>
              <div
                class="col-md-6 d-flex align-items-center justify-content-between justify-content-md-end"
              >
                <a
                  id="openModal"
                  href="javascript:;"
                  class="btn btn-sm btn-white btn-icon-only rounded-circle ml-4"
                >
                  <span class="btn-inner--icon"
                    ><i class="bi bi-plus bi-2x"></i
                  ></span>
                </a>
              </div>
            </div>
          </div>
          <div class="row">
            <div class="col">
              <div class="card card-fluid">
                <div class="table-responsive" style="min-height: 1000px">
                  <table class="table align-items-center">
                    <thead>
                      <tr>
                        <th>姓名</th>
                        <th>年龄</th>
                        <th>性别</th>
                        <th>组号</th>
                        <th>期望薪资</th>
                        <th>就业薪资</th>
                        <th>籍贯</th>
                        <th>操作</th>
                      </tr>
                    </thead>
                    <tbody class="list">
                      <!-- <tr>
                      <td>张杰</td>
                      <td>20</td>
                      <td>男</td>
                      <td>第2组</td>
                      <td>10000</td>
                      <td>13000</td>
                      <td>北京北京市东城区</td>
                      <td>
                        <a href="javascript:;" class="text-success mr-3"><i class="bi bi-pen"></i></a>
                        <a href="javascript:;" class="text-danger"><i class="bi bi-trash"></i></a>
                      </td>
                    </tr> -->
                    </tbody>
                  </table>
                </div>
              </div>
            </div>
          </div>
          <!-- footer -->
          <div class="footer pt-5 pb-4 footer-light" id="footer-main">
            <div class="row text-center text-sm-left align-items-sm-center">
              <div class="col-sm-6">
                <p class="text-sm mb-0">
                  © 2022
                  <a href="https://itcast.cn" class="h6 text-sm" target="_blank"
                    >前端学科</a
                  >. All rights reserved.
                </p>
              </div>
              <div class="col-sm-6 mb-md-0">
                <ul class="nav justify-content-center justify-content-md-end">
                  <li class="nav-item">
                    <a class="nav-link" href="#">Support</a>
                  </li>
                  <li class="nav-item">
                    <a class="nav-link" href="#">Terms</a>
                  </li>
                  <li class="nav-item">
                    <a class="nav-link pr-0" href="#">Privacy</a>
                  </li>
                </ul>
              </div>
            </div>
          </div>
        </div>
      </div>
    </div>
    <!-- add Modal -->
    <div class="modal fade" id="modal">
      <div class="modal-dialog modal-lg">
        <div class="modal-content">
          <div class="modal-header">
            <h5 class="modal-title">添加学员</h5>
            <button
              type="button"
              class="btn-close"
              data-bs-dismiss="modal"
              aria-label="Close"
            ></button>
          </div>
          <div class="modal-body">
            <form id="form" class="g-3 row" autocomplete="off" novalidate>
              <div class="col-sm-6">
                <div class="form-group">
                  <label class="input-group-label">姓名：</label>
                  <input
                    type="text"
                    name="name"
                    class="form-control"
                    placeholder="请输入姓名"
                  />
                </div>
              </div>
              <div class="col-sm-6">
                <div class="form-group">
                  <label class="input-group-label">性别：</label>
                  <div class="input">
                    <div class="form-check d-inline-block">
                      <input
                        value="0"
                        checked
                        id="cb01"
                        class="form-check-input"
                        type="radio"
                        name="gender"
                      />
                      <label for="cb01" class="form-check-label">男</label>
                    </div>
                    <div class="form-check d-inline-block">
                      <input
                        value="1"
                        id="cb02"
                        class="form-check-input"
                        type="radio"
                        name="gender"
                      />
                      <label for="cb02" class="form-check-label">女</label>
                    </div>
                  </div>
                </div>
              </div>
              <div class="col-sm-6">
                <div class="form-group">
                  <label class="input-group-label">年龄：</label>
                  <input
                    type="text"
                    name="age"
                    class="form-control"
                    placeholder="请输入年龄"
                  />
                </div>
              </div>
              <div class="col-sm-6">
                <div class="form-group">
                  <label class="input-group-label">组号：</label>
                  <input
                    type="text"
                    name="group"
                    class="form-control"
                    placeholder="请输入1-8组号"
                  />
                </div>
              </div>
              <div class="col-sm-6">
                <div class="form-group">
                  <label class="input-group-label">期望薪资：</label>
                  <input
                    type="text"
                    name="hope_salary"
                    class="form-control"
                    placeholder="请输入期望薪资"
                  />
                </div>
              </div>
              <div class="col-sm-6">
                <div class="form-group">
                  <label class="input-group-label">就业薪资：</label>
                  <input
                    type="text"
                    name="salary"
                    class="form-control"
                    placeholder="请输入就业薪资"
                  />
                </div>
              </div>
              <div class="col-sm-12">
                <div class="form-group">
                  <label class="input-group-label">籍贯：</label>
                  <div class="input pl-0">
                    <select class="form-select custom-select" name="province">
                      <option value="">--省份--</option>
                    </select>
                    <select class="form-select custom-select" name="city">
                      <option value="">--城市--</option>
                    </select>
                    <select class="form-select custom-select" name="area">
                      <option value="">--地区--</option>
                    </select>
                  </div>
                </div>
              </div>
            </form>
          </div>
          <div class="modal-footer">
            <button
              type="button"
              class="btn btn-secondary"
              data-bs-dismiss="modal"
            >
              取消
            </button>
            <button type="button" class="btn btn-blue" id="submit">确认</button>
          </div>
        </div>
      </div>
    </div>
    <script src="./bootstrap/bootstrap.min.js"></script>
    <script src="./lib/axios.js"></script>
    <script src="./lib/form-serialize.js"></script>
    <script src="./js/common.js"></script>
    <script>
      const getStudentsList = async () => {
        const res = await axios({
          url: 'students',
        })
        document.querySelector('.list').innerHTML = res.data
          .map((item) => {
            return `
          <tr>
            <td>${item.name}</td>
            <td>${item.age}</td>
            <td>${item.gender == 0 ? '男' : '女'}</td>
            <td>${item.group}</td>
            <td>${item.hope_salary}</td>
            <td>${item.salary}</td>
            <td>${item.province + item.city + item.area}</td>
            <td>
              <a href="javascript:;" class="text-success mr-3">
                <i data-id=${item.id} class="bi bi-pen"></i></a>
              <a href="javascript:;" class="text-danger"><i data-id=${
                item.id
              } class="bi bi-trash"></i></a>
            </td>
          </tr>
          `
          })
          .join('')
        document.querySelector('.total').innerHTML = res.data.length
      }
      window.onload = () => {
        getStudentsList()
        document.querySelector('.list').addEventListener('click', async (e) => {
          if (e.target.classList.contains('bi-trash')) {
            // console.log(e.target)
            const res = await axios({
              method: 'delete',
              url: `/students/${e.target.dataset.id}`,
            })
            console.log(res)
            alert('删除成功')
            getStudentsList()
          }
        })

        const modal = new bootstrap.Modal(document.querySelector('#modal'))
        document.querySelector('#openModal').onclick = async function () {
          document.querySelector('.modal-title').innerHTML = '添加学员'
          document.querySelector('#submit').dataset.id = 'add'

          document.querySelector('#form').reset()
          await renderCity()
          await renderArea()

          modal.show()
        }
        document
          .querySelector('.list')
          .addEventListener('click', async function (e) {
            // 4.1 点击编辑才行
            if (e.target.classList.contains('bi-pen')) {
              // 4.3 修改标题
              document.querySelector('.modal-title').innerHTML = '修改学员'
              const id = e.target.dataset.id
              // console.log('id:', id)
              // 4.4 设置自定义属性值为id
              document.querySelector('#submit').dataset.id = id
              // 4.2 弹框
              modal.show()
              // 9.获取当前点击的相关信息
              // 9.1 获取学员信息
              const res = await axios({
                url: `/students/${id}`,
              })
              // 修改弹框的内容
              // console.log('res:', res)
              // 9.2 快速遍历设置数据
              for (const key in res.data) {
                const ipt = document.querySelector(`[name=${key}]`)
                // console.log('ipt:', ipt)
                // 获取到了元素再去设置value 否则会报错
                // 有一些属性对应的元素不存在
                // 9.4 // name=gender 不能设置value 需要设置checked属性
                if (key !== 'gender') {
                  // 9.3 设置值
                  ipt !== null && (ipt.value = res.data[key])
                } else {
                  // key=gender--->checked
                  // 男 0 女 1
                  // 9.4 男女返回的数据是0或者1 设置选中状态 修改checked
                  const genders = document.querySelectorAll('[name=gender]')
                  // 根据索引 勾选对应的性别即可
                  // console.log('genders[res.data[key]]:', genders[res.data[key]])
                  genders[res.data[key]].checked = true
                }
              }
              // 9.5 重新去获取 对应的市 和 区的数据
              await renderCity(res.data.city)
              await renderArea(res.data.area)
            }
          })
        document.querySelector('#submit').onclick = async (e) => {
          if (e.target.dataset.id === 'add') {
            // console.log('新增')
            const data = serialize(document.querySelector('#form'), {
              hash: true,
            })
            console.log(data)
            data.age = +data.age
            data.gender = +data.gender
            data.hope_salary = +data.hope_salary
            data.salary = +data.salary
            data.group = +data.group
            const res = await axios({
              url: '/students',
              method: 'post',
              data: data,
            })
            console.log(res)
            modal.hide()
            alert('新增成功')
            getStudentsList()
          } else {
            const data = serialize(document.querySelector('#form'), {
              hash: true,
            })
            const id = document.querySelector('#submit').dataset.id
            console.log(data)
            data.age = +data.age
            data.gender = +data.gender
            data.hope_salary = +data.hope_salary
            data.salary = +data.salary
            data.group = +data.group
            const res = await axios({
              url: `students/${id}`,
              method: 'put',
              data: data,
            })
            modal.hide()
            alert('修改成功')
            getStudentsList()
          }
        }

        async function renderProvince(province = '') {
          const res = await axios({
            url: 'api/province',
          }) // 省
          document.querySelector('[name="province"]').innerHTML = res.data.map(
            (item) => {
              return `
         <option value="${item}">${item}</option>
         `
            }
          )
          if (province != '') {
            document.querySelector('[name="province"]').value = province
          }
        } // 获取市数据
        async function renderCity(city = '') {
          const pname = document.querySelector('[name="province"]').value
          const res = await axios({
            url: 'api/city',
            params: {
              pname: pname,
            },
          }) // 省
          document.querySelector('[name="city"]').innerHTML = res.data.map(
            (item) => {
              return `
         <option value="${item}">${item}</option>
         `
            }
          )
          if (city != '') {
            document.querySelector('[name="city"]').value = city
          }
          // 市
        } // 获取区数据
        async function renderArea(area = '') {
          const pname = document.querySelector('[name="province"]').value
          const cname = document.querySelector('[name="city"]').value
          const res = await axios({
            url: 'api/area',
            method: 'get',
            params: {
              pname: pname,
              cname: cname,
            },
          }) // 省
          document.querySelector('[name="area"]').innerHTML = res.data.map(
            (item) => {
              return `
         <option value="${item}">${item}</option>
         `
            }
          )
          if (area != '') {
            document.querySelector('[name="area"]').value = area
          }
          // 区
        } // 省市区
        async function renderSelect() {
          await renderProvince()
          await renderCity()
          await renderArea()
        }
        renderSelect()
        document.querySelector('[name=province]').onchange = async function () {
          // console.log('pro-change')
          // 重新获取 市
          await renderCity()
          // 重新获取 区
          await renderArea()
        }
        document.querySelector('[name=city]').onchange = async function () {
          // 重新获取 区
          await renderArea()
        }
      }
    </script>
  </body>
</html>
